In vivo tracer studies of renal urea formation in the bullfrog.
D000818:Animals; D001001:Anura; D001120:Arginine / Q000378:metabolism*; D002247:Carbon Isotopes; D007668:Kidney / Q000378:metabolism*; D010477:Perfusion; D011865:Radioisotope Dilution Technique; D012082:Renal Veins; D014508:Urea / Q000096:biosynthesis* / Q000097:blood; D014527:Uric Acid / Q000378:metabolism*
D002247:Carbon Isotopes; D014527:Uric Acid; D014508:Urea; D001120:Arginine